Ukulinganisa ukuhamba kwamanzi ngaphakathi nangaphandle kweendawo zamanzi kunye nezityalo zokucoca amdaka yeyona ndlela iphambili yokulinganisa kushishino lwamanzi. Sisiseko esibalulekileyo sokuba amashishini abale izalathisi eziphambili zemveliso kunye nokusebenza ezifana nemveliso, iindleko zemveliso, ukuvuza kwenethiwekhi yemibhobho kunye nokusetyenziswa kwamandla ngeyunithi nganye, kwaye ikwalikhonkco lokulinganisa kushishino lwamanzi. Ukukhetha iimitha zokuhamba kwamanzi kubaluleke ngakumbi, indlela yokukhetha ngokuchanekileyo iimitha zokuhamba kunye nokuphucula umgangatho wokulinganisa kunye nokufumanisa ngumsebenzi obaluleke kakhulu kumashishini, apho iimitha zokuhamba ze-ultrasonic zithandwa kakhulu.
Xa kuthelekiswa nezinye iindawo, i-flowmeter esetyenziswa ekulinganiseni ukuhamba kwamanzi okungenisa nokuthumela kwamanye amazwe kwiindawo zamanzi kunye nezityalo zokucoca amdaka ineemfuno zayo ezikhethekileyo. Okokuqala, ububanzi be-flowmeter bukhulu kakhulu, ngokubanzi uluhlu lwe-DN300mm-DN1000mm. Okwesibini, ixabiso lokulinganisa ukuhamba kwamanzi likhulu, ngokubanzi amawaka ukuya kumashumi amawaka e-m3/h; Ukongeza, ukuqinisekisa ukuba iimfuno zokulinganisa ukubonelela kunye norhwebo lokuhambisa amanzi ziyafezekiswa, i-flowmeter ekhethiweyo ye-ultrasonic ifuna ukuchaneka okuphezulu; Ngenxa yobubanzi obukhulu be-flowmeter kunye nendawo yokufakela encinci, iimfuno zecandelo lombhobho othe tye azinakuba phezulu kakhulu. Kwiimpawu zokuhamba kwamanzi okungena kunye nokuphuma, kufuneka siqwalasele ezi zinto zilandelayo xa sikhetha ixesha lokuhamba kwamanzi le-ultrasonic:
Isixhobo sokulinganisa ukuhamba kwe-ultrasonic
1. Ububanzi obukhulu bombhobho wenkqubo bufuna ukuba ukulahleka koxinzelelo lwemitha yokuhamba kube kuncinci kangangoko kunokwenzeka. Ngokubanzi, indlela yokunciphisa imibhobho yasekuhlaleni ayisetyenziselwa ukwandisa izinga lokuhamba.
2. Kwimibhobho esandula ukuyilwa nefakelweyo, isantya sokuhamba esifanelekileyo sikhethwa ngokubanzi. Ngenxa yokuba isantya sokuhamba kolwelo siphantsi kakhulu, ubungakanani bemitha yokuhamba bukhulu, kwaye utyalo-mali olufanelekileyo kwisixhobo luyanda. Isantya sokuhamba kolwelo siphezulu kakhulu, nto leyo eya kubangela ukulahleka koxinzelelo oluguquguqukayo kwaye ikhokelele ekonyukeni kweendleko zokusebenza, nto leyo engabizi kakhulu, kodwa ukhetho kufuneka lushiye umda wokuhamba kolwandiso lwexesha elizayo;
3. Ngenxa yesantya esiphantsi sokuhamba kolwelo, ukungcola kulwelo, udaka kunye nobukhulu buya kuvela emva kwexesha elide lokusebenza, njalo njalo, kulula ukuyifaka eludongeni lwangaphakathi lombhobho kunye ne-electrode. Ukucocwa kwenxalenye yoqhagamshelwano phakathi kwesixhobo kunye nolwelo kufuneka kuqwalaselwe kuyilo lobunjineli;
4. Uluhlu lokulinganisa lwesixhobo likhulu. Ukuhamba kwamanzi athile ebusuku nasemini, ebusika nasehlotyeni kwahlukile kakhulu, amaxesha amaninzi, ngoko ke, ezi mitha zokuhamba kwamanzi zifuna uluhlu olukhulu ngakumbi;
5. Inqanaba lokhuseleko lwesixhobo liphezulu. Iipayipi ezinkulu ezinobubanzi zigqunywe kakhulu ukuze kongiwe utyalo-mali nendawo, kwaye emantla, kukwakho nesidingo sokuthintela ukubanda. Ke ngoko, ii-sensors zokuhamba eziqhekekileyo zifakwa kakhulu kwiMigodi yesixhobo. Ngenxa yemvula, ukuvuza kodonga kunye nokuvuza kwepayipi kunye nezinye izizathu zihlala zibangela ukuba inqanaba lamanzi equleni linyuke kwaye lizalise i-sensor yokuhamba, ngoko ke uyilo kufuneka luqikelelwe kule meko, khetha i-sensor yokuhamba engaphantsi komhlaba, njengenqanaba lokhuseleko lwe-IP68. Kwangaxeshanye, iqula lesixhobo kufuneka lingangeni manzi.
6. Ngenxa yokuba ukuqinisekiswa kweemitha ezinkulu zokugeleza kwamanzi kudla ngokuba nzima ukuziqhaqha, ukuzithutha nokuzifaka, kwaye inkqubo ayivumeli ukuphazamiseka nokuvalwa, kunethemba lokuba iimitha zinokulinganiswa kwi-intanethi.
Isixhobo sokulinganisa ukuhamba kwe-ultrasonic
Okwangoku, iimitha zokuhamba ezibaluleke kakhulu ezisetyenziswa kwizityalo zamanzi, kwizityalo zonyango lwelindle ezisebenzisa imitha yokuhamba kwamanzi eziphumayo nezingena kwi-ultrasound kunye neemitha zokuhamba kwe-electromagnetic, njl.njl., kunye nenani elincinci leemitha zokuhamba ezifakelwayo, kunye nenani elikhulu lohlaziyo kwiimitha zokuhamba ezikrelekrele, ezichanekileyo kakhulu, nezinemisebenzi emininzi. Kwaye ifumene imo yonxibelelwano lwedijithali olusebenzisa intambo, uhlobo lwebhasi (njengeMODBUS, PROFBUS, HART, njl.njl.) kunye nemo yonxibelelwano olungenazingcingo ukuze kufezekiswe ukujonga kude, kunye nedatha yethrafikhi ekude ukuya kwigumbi lolawulo eliphakathi kunye negumbi lolawulo lenkampani. Ukulinganisa ukuhamba kwamanzi ngaphakathi nangaphandle kwezakhiwo zamanzi kunye nezityalo zonyango lwelindle yeyona ndlela iphambili kushishino lwamanzi. Sisiseko esibalulekileyo sokuba amashishini abale izalathisi eziphambili zemveliso kunye nokusebenza ezifana nemveliso, iindleko zemveliso, ukuvuza kwenethiwekhi yepayipi kunye nokusetyenziswa kwamandla ngeyunithi nganye, kwaye ikwalikhonkco lokulinganisa kushishino lwamanzi. Ukungena nokuphuma, ukukhethwa kweemitha zokuhamba kwamanzi kubaluleke ngakumbi, indlela yokukhetha ngokuchanekileyo iimitha zokuhamba kunye nokuphucula inqanaba lokulinganisa kunye nokufumanisa ngumsebenzi obaluleke kakhulu kumashishini, apho iimitha zokuhamba ze-ultrasonic zithandwa kakhulu.
Xa kuthelekiswa nezinye iindawo, i-flowmeter esetyenziswa ekulinganiseni ukuhamba kwamanzi okungenisa nokuthumela kwamanye amazwe kwiindawo zamanzi kunye nezityalo zokucoca amdaka ineemfuno zayo ezikhethekileyo. Okokuqala, ububanzi be-flowmeter bukhulu kakhulu, ngokubanzi uluhlu lwe-DN300mm-DN1000mm. Okwesibini, ixabiso lokulinganisa ukuhamba kwamanzi likhulu, ngokubanzi amawaka ukuya kumashumi amawaka e-m3/h; Ukongeza, ukuqinisekisa ukuba iimfuno zokulinganisa ukubonelela kunye norhwebo lokuhambisa amanzi ziyafezekiswa, i-flowmeter ekhethiweyo ye-ultrasonic ifuna ukuchaneka okuphezulu; Ngenxa yobubanzi obukhulu be-flowmeter kunye nendawo yokufakela encinci, iimfuno zecandelo lombhobho othe tye azinakuba phezulu kakhulu. Kwiimpawu zokuhamba kwamanzi okungena kunye nokuphuma, kufuneka siqwalasele ezi zinto zilandelayo xa sikhetha ixesha lokuhamba kwamanzi le-ultrasonic:
Isixhobo sokulinganisa ukuhamba kwe-ultrasonic
1. Ububanzi obukhulu bombhobho wenkqubo bufuna ukuba ukulahleka koxinzelelo lwemitha yokuhamba kube kuncinci kangangoko kunokwenzeka. Ngokubanzi, indlela yokunciphisa imibhobho yasekuhlaleni ayisetyenziselwa ukwandisa izinga lokuhamba.
2. Kwimibhobho esandula ukuyilwa nefakelweyo, isantya sokuhamba esifanelekileyo sikhethwa ngokubanzi. Ngenxa yokuba isantya sokuhamba kolwelo siphantsi kakhulu, ubungakanani bemitha yokuhamba bukhulu, kwaye utyalo-mali olufanelekileyo kwisixhobo luyanda. Isantya sokuhamba kolwelo siphezulu kakhulu, nto leyo eya kubangela ukulahleka koxinzelelo oluguquguqukayo kwaye ikhokelele ekonyukeni kweendleko zokusebenza, nto leyo engabizi kakhulu, kodwa ukhetho kufuneka lushiye umda wokuhamba kolwandiso lwexesha elizayo;
3. Ngenxa yesantya esiphantsi sokuhamba kolwelo, ukungcola kulwelo, udaka kunye nobukhulu buya kuvela emva kwexesha elide lokusebenza, njalo njalo, kulula ukuyifaka eludongeni lwangaphakathi lombhobho kunye ne-electrode. Ukucocwa kwenxalenye yoqhagamshelwano phakathi kwesixhobo kunye nolwelo kufuneka kuqwalaselwe kuyilo lobunjineli;
4. Uluhlu lokulinganisa lwesixhobo likhulu. Ukuhamba kwamanzi athile ebusuku nasemini, ebusika nasehlotyeni kwahlukile kakhulu, amaxesha amaninzi, ngoko ke, ezi mitha zokuhamba kwamanzi zifuna uluhlu olukhulu ngakumbi;
5. Inqanaba lokhuseleko lwesixhobo liphezulu. Iipayipi ezinkulu ezinobubanzi zigqunywe kakhulu ukuze kongiwe utyalo-mali nendawo, kwaye emantla, kukwakho nesidingo sokuthintela ukubanda. Ke ngoko, ii-sensors zokuhamba eziqhekekileyo zifakwa kakhulu kwiMigodi yesixhobo. Ngenxa yemvula, ukuvuza kodonga kunye nokuvuza kwepayipi kunye nezinye izizathu zihlala zibangela ukuba inqanaba lamanzi equleni linyuke kwaye lizalise i-sensor yokuhamba, ngoko ke uyilo kufuneka luqikelelwe kule meko, khetha i-sensor yokuhamba engaphantsi komhlaba, njengenqanaba lokhuseleko lwe-IP68. Kwangaxeshanye, iqula lesixhobo kufuneka lingangeni manzi.
6. Ngenxa yokuba ukuqinisekiswa kweemitha ezinkulu zokugeleza kwamanzi kudla ngokuba nzima ukuziqhaqha, ukuzithutha nokuzifaka, kwaye inkqubo ayivumeli ukuphazamiseka nokuvalwa, kunethemba lokuba iimitha zinokulinganiswa kwi-intanethi.
Isixhobo sokulinganisa ukuhamba kwe-ultrasonic
Okwangoku, iimitha zokuhamba ezibaluleke kakhulu ezisetyenziswa kwizityalo zamanzi, izityalo zonyango lwelindle ezingena neziphumayo zimitha zokuhamba kwamanzi ezisebenzisa i-ultrasonic kunye neemitha zokuhamba kwamanzi ezisebenzisa i-electromagnetic, njl.njl., kunye nenani elincinci leemitha zokuhamba ezifakelwayo, kunye nenani elikhulu lohlaziyo kwiimitha zokuhamba ezihambayo ezikrelekrele, ezichanekileyo kakhulu, nezinemisebenzi emininzi. Kwaye ifumene imo yonxibelelwano lwedijithali olusebenzisa intambo (njengeMODBUS, PROFBUS, HART, njl.njl.) kunye nemo yonxibelelwano olungenazingcingo ukuze kufezekiswe ukujonga kude, kunye nedatha yethrafikhi kude ukuya kwigumbi lolawulo eliphakathi kunye negumbi lolawulo lenkampani.
Ixesha lokuthumela: Agasti-14-2023